Q:

Normal expiration in a person at rest is due to

waelhammad
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2022-10-19
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Normal expiration in a person at rest is due to

  1. elastic tissue in the lung
  2. contraction of abdominal muscles
  3. contraction of the expiratory muscles
  4. diffusion
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waelhammad
2022-10-19
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A: Expiration is accomplished by passive elastic recoil of the expanded lung. 

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